330021000209 has 2 divisors, whose sum is σ = 330021000210. Its totient is φ = 330021000208.

The previous prime is 330021000193. The next prime is 330021000229. The reversal of 330021000209 is 902000120033.

It is an a-pointer prime, because the next prime (330021000229) can be obtained adding 330021000209 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 300691012609 + 29329987600 = 548353^2 + 171260^2 .

It is an emirp because it is prime and its reverse (902000120033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 330021000209 - 2⁴ = 330021000193 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (330021000229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165010500104 + 165010500105.

It is an arithmetic number, because the mean of its divisors is an integer number (165010500105).

Almost surely, 2^330021000209 is an apocalyptic number.

It is an amenable number.

330021000209 is a deficient number, since it is larger than the sum of its proper divisors (1).

330021000209 is an equidigital number, since it uses as much as digits as its factorization.

330021000209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

The spelling of 330021000209 in words is "three hundred thirty billion, twenty-one million, two hundred nine", and thus it is an aban number.